Tenable Ownership | Who Owns Tenable?

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Tenable Ownership Summary

Tenable is owned by 97.57% institutional investors, 2.31% insiders, and 0.12% retail investors. Vanguard group is the largest institutional shareholder, holding 12.84% of TENB shares. Columbia Seligman Technology Growth is the top mutual fund, with 8.35% of its assets in Tenable shares.

TENB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Tenable	97.57%	2.31%	0.12%
Sector	Technology Stocks	35.99%	15.18%	48.83%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	15.43M	12.84%	$363.01M
Blackrock funding, inc. /de	13.50M	11.24%	$228.31M
Blackrock	10.62M	9.04%	$462.91M
Ameriprise financial	8.50M	7.08%	$143.77M
Rgm capital	4.47M	3.71%	$130.29M
Shapiro capital management	4.15M	3.45%	$70.20M
Arrowstreet capital, limited partnership	3.73M	3.11%	$63.13M
Fmr	3.57M	2.97%	$60.40M
Penserra capital management	3.39M	2.82%	$57.32M
State street	3.09M	2.57%	$52.18M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Washington harbour partners lp	98.02K	7.16%	$3.86M
Rgm capital	4.47M	5.48%	$130.29M
Archon capital management	519.00K	4.95%	$8.78M
Shapiro capital management	4.15M	4.39%	$70.20M
Katamaran capital llp	107.86K	3.17%	$3.98M
Graphene investments sas	90.20K	1.94%	$3.33M
Clearalpha technologies lp	47.28K	1.64%	$799.69K
Kent lake pr	100.00K	1.47%	$2.92M
Firetrail investments pty	234.66K	1.36%	$3.97M
Monimus capital management, lp	234.73K	1.10%	$3.97M

Top Buyers

Holder	Shares	% Assets	Change
Arrowstreet capital, limited partnership	3.73M	0.03%	2.38M
Fmr	3.57M	0.00%	2.08M
Ameriprise financial	8.50M	0.03%	1.94M
Norges bank	1.89M	0.00%	1.89M
Jacobs levy equity management	1.84M	0.13%	1.84M

Top Sellers

Holder	Shares	% Assets	Change
William blair investment management	-	-	-2.43M
Ubs group	1.36M	0.00%	-1.74M
First trust advisors lp	2.69M	0.03%	-1.55M
Arrowmark colorado	-	-	-1.52M
Fisher asset management	-	-	-1.23M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.89M	0.00%	1.89M	$44.54M
Jacobs levy equity management	1.84M	0.13%	1.84M	$31.16M
Vanguard fiduciary trust	823.78K	0.00%	823.78K	$13.93M
Archon capital management	519.00K	4.95%	519.00K	$8.78M
J. goldman & co lp	384.80K	0.19%	384.80K	$6.51M

Sold Out

Holder	Change
Clearstead advisors	-1.00
Transamerica financial advisors	-3.00
Cornerstone planning group	-3.00
Mather group, llc.	-6.00
Scarborough advisors	-12.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	306	8.13%	117,198,922	4.37%	97	1.12%	192	21.52%	83	-17.00%
Dec 31, 2025	120	-59.87%	48,540,385	-56.00%	40	0.48%	63	-64.41%	45	-43.75%
Sep 30, 2025	138	-49.63%	53,913,972	-47.69%	44	0.61%	80	-48.39%	41	-53.93%
Jun 30, 2025	283	-5.98%	111,325,048	5.58%	92	1.20%	159	-5.92%	91	-4.21%
Mar 31, 2025	13	-95.64%	8,497,885	-92.15%	7	0.09%	7	-95.78%	4	-95.65%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Columbia Seligman Technology Growth	9.20M	8.35%	4.44M
Columbia Seligman Tech & Info A	9.20M	8.35%	324.88K
Vanguard Total Stock Mkt Idx Inv	3.51M	3.18%	-273.75K
Vanguard Morn Total Stk Mkt Idx Investor	3.51M	3.18%	-273.75K
Vanguard US Total Market Shares ETF	3.59M	2.98%	-226.10K
Amplify Cybersecurity ETF	3.01M	2.72%	-
Vanguard Information Technology ETF	2.99M	2.71%	19.23K
iShares Russell 2000 ETF	2.97M	2.69%	32.10K
First Trust NASDAQ Cybersecurity ETF	2.65M	2.40%	-7.63K
Vanguard Small Cap Index	2.52M	2.29%	-208.68K

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 04, 2026	Brown Matthew Charles	Chief Financial Officer	Buy	$258.48K
Feb 12, 2026	Vicks Raymond Jr.	-	Buy	$99.77K
Feb 09, 2026	COVIELLO ARTHUR W JR	-	Buy	$258.00K
Dec 15, 2025	SEAWELL A BROOKE	-	Sell	$2.85M
Oct 17, 2025	Anschutz Barron	Principal Accounting Officer	Sell	$28.40K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	1	-
2026 Q1	2	-
2025 Q4	-	2
2025 Q3	-	9
2025 Q2	-	6

TENB Ownership FAQ

Who owns the most shares of Tenable?

Tenable’s largest shareholders are Vanguard group (15.43M shares, 12.84%), Blackrock funding, inc. /de (13.5M shares, 11.24%), and Blackrock (10.62M shares, 9.04%). Together, they hold 33.12% of Tenable’s total shares outstanding.

Does Blackrock own Tenable?

Yes, BlackRock owns 9.04% of Tenable, totaling 10.62M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 462.91M$. In the last quarter, BlackRock increased its holdings by 230.17K shares, a 2.21% change.

Who is Tenable’s biggest shareholder by percentage of total assets invested?

Washington harbour partners lp is Tenable’s biggest shareholder by percentage of total assets invested, with 7.16% of its assets in 98.02K Tenable shares, valued at 3.86M$.

Who is the top mutual fund holder of Tenable shares?

Columbia Seligman Technology Growth is the top mutual fund holder of Tenable shares, with 8.35% of its total shares outstanding invested in 9.2M Tenable shares.

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